31226440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{487}}^1$

素因数の和:734

約数の個数: 64

約数和(自身を含む): 80812800

約数和(自身を除く): 49586360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 229, 280, 458, 487, 916, 974, 1145, 1603, 1832, 1948, 2290, 2435, 3206, 3409, 3896, 4580, 4870, 6412, 6818, 8015, 9160, 9740, 12824, 13636, 16030, 17045, 19480, 27272, 32060, 34090, 64120, 68180, 111523, 136360, 223046, 446092, 557615, 780661, 892184, 1115230, 1561322, 2230460, 3122644, 3903305, 4460920, 6245288, 7806610, 15613220, 31226440]

約数ペア:

[(1, 31226440), (2, 15613220), (4, 7806610), (5, 6245288), (7, 4460920), (8, 3903305), (10, 3122644), (14, 2230460), (20, 1561322), (28, 1115230), (35, 892184), (40, 780661), (56, 557615), (70, 446092), (140, 223046), (229, 136360), (280, 111523), (458, 68180), (487, 64120), (916, 34090), (974, 32060), (1145, 27272), (1603, 19480), (1832, 17045), (1948, 16030), (2290, 13636), (2435, 12824), (3206, 9740), (3409, 9160), (3896, 8015), (4580, 6818), (4870, 6412)]